Home / 10,130.50-13,980.45-5,939.02

Finding the Fourth Proportional to 10,130.50, 13,980.45 and 5,939.02

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Solution

The fourth proportional to 10,130.50, 13,980.45 and 5,939.02 is: 8,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.50 : 13,980.45 = 5,939.02 : x
  2. Step 2: Convert to fraction form
    10,130.50/13,980.45 = 5,939.02/x
  3. Step 3: Cross multiply
    10,130.50x = 13,980.45 × 5,939.02
  4. Step 4: Simplify right side
    10,130.50x = 83,030,172.16
  5. Step 5: Solve for x
    x = 83,030,172.16/10,130.50
  6. Step 6: Final answer
    x = 8,196.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.